Copilot for Obsidian puts an AI assistant inside your Obsidian vault: chat with your notes, generate and rewrite content, and query your whole knowledge base without leaving the app. It is open source, its bring-your-own-key setup needs no Copilot license, and Opper is one of the providers in its catalogue: pick Opper, paste your key, and your vault runs on any of 700+ models, with your notes going only to the model you chose.
Copilot for ObsidianoninObsidian → Settings → Copilot → BYOK → Add a provider, search for Opper — the base URL comes prefilled, then paste your Opper key. Then pick Gemma 4 31B.
Gemma 4 31B runs on the routes below. Route only to EU providers when your data has to stay in Europe.
| Provider | Region | Zero data retention | Training | Input | Output |
|---|---|---|---|---|---|
| Berget | EU | No | $0.28 | $0.56 | |
| Greenference | EU | No | $0.03 | $0.17 | |
| Infercom | EU | No | $0.23 | $0.39 | |
| Regolo | EU | No | $0.45 | $2.37 | |
| DeepInfra | US | No | $0.20 | $0.40 | |
| DigitalOcean | US | No | $0.18 | $0.50 | |
| Google Cloud | US | No | — | — | |
| Geodd | US | No | $0.13 | $0.37 | |
| Novita | US | No | $0.14 | $0.40 | |
| SCX | Multi | No | $0.38 | $1.14 |
Google Gemma 4 31B IT, instruction-tuned 31B dense model with multimodal reasoning, function calling, and 256K context.
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